Black, Sandra E.; Devereux, Paul J.; Salvanes, Kjell G. - 2010
Just Say No to Drugs, are based on the premise that teenagers are very susceptible to peer influences. Despite this, very … composition within schools to examine the role of peer composition in 9th grade on longer-run outcomes such as IQ scores at age 18 … outcomes are influenced by the proportion of females in the grade, and these effects differ for men and women. Other peer …